6-Carboxyalkylthiopurine (buthiopurine, Cytogran Spofa).
D000293:Adolescent; D000328:Adult; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D066298:In Vitro Techniques; D007938:Leukemia / Q000188:drug therapy*; D008875:Middle Aged; D011687:Purines / Q000494:pharmacology*
D000970:Antineoplastic Agents; D011687:Purines